A steel railroad track has a length of 30m when the temperature is 2 degrees celsius. what is the increase in the length of the rail on a hot day when the temperature is 38 degrees celsius? the linear expansion coefficient of steel is 11 x 10^ -6 (c)^-1

Which of the following statements comparing electron microscopy and light microscopy is false? which of the following statements comparing electron microscopy and light microscopy is false? both the electron microscope and the light microscope use the same wavelengths for illumination. images produced by light microscopes can be in color, whereas electron microscope images are black and white unless they are artificially colored. the electron microscope has greater resolution than the light microscope. electron microscopes can allow examination of viruses and internal cell structures, whereas light microscopes are limited to objects that are 0.5 micrometers and larger. request answer